body {
    font-family: 'Segoe UI', sans-serif;
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: #f0f8ff;
}

.form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    color: #1a237e;
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="number"] {
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

button {
    width: 100%;
    padding: 1rem;
    background: #1a237e;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
}

button:hover {
    background: #303f9f;
}